diff options
Diffstat (limited to 'arch/s390/mm/physaddr.c')
| -rw-r--r-- | arch/s390/mm/physaddr.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/s390/mm/physaddr.c b/arch/s390/mm/physaddr.c new file mode 100644 index 0000000000..59de866c72 --- /dev/null +++ b/arch/s390/mm/physaddr.c @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/mmdebug.h> +#include <linux/export.h> +#include <linux/mm.h> +#include <asm/page.h> + +unsigned long __phys_addr(unsigned long x, bool is_31bit) +{ + VIRTUAL_BUG_ON(is_vmalloc_or_module_addr((void *)(x))); + x = __pa_nodebug(x); + if (is_31bit) + VIRTUAL_BUG_ON(x >> 31); + return x; +} +EXPORT_SYMBOL(__phys_addr); |